{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "No biologically significant , treatment related differences in body weight , food consumption , clinical pathology parameters ( hematology , blood chemistry , urinalysis , or organ weight ) were observed in rats consuming the diets containing 4114 maize grain compared with rats fed conventional maize diets ."}
{"Chemical": []}